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MBSOct2019CologneDE

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The module LZ4MBS

module LZ4MBS
Type Topic Plugin Version macOS Windows Linux Console & Web iOS
module Compression MBS Compression Plugin 19.4 Yes Yes Yes Yes No
Function: The module for LZ4 compression.
Example:
Dim m As String = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Lorem ipsum dolor site amat."

// make sure encoding is set
m = ConvertEncoding(m, encodings.UTF8)

// compress
Dim c As String = LZ4MBS.Compress(m)

// decompress
Dim d As String = LZ4MBS.Decompress(c)

// set encoding after decompressing
d = DefineEncoding(d, encodings.UTF8)

// and check
If d = m Then
MsgBox "Text match"
Else
MsgBox "Text doesn't match"
End If

Feedback, Comments & Corrections

  • method Compress(InputData as MemoryBlock) as MemoryBlock
  • method Compress(InputData as Ptr, Size as Integer) as MemoryBlock
  • method Compress(InputData as string) as string
  • method CompressFast(InputData as MemoryBlock, Acceleration as Integer = 1) as MemoryBlock
  • method CompressFast(InputData as Ptr, Size as Integer, Acceleration as Integer = 1) as MemoryBlock
  • method CompressFast(InputData as string, Acceleration as Integer = 1) as string
  • method CompressHC(InputData as MemoryBlock, compressionLevel as Integer = 9) as MemoryBlock
  • method CompressHC(InputData as Ptr, Size as Integer, compressionLevel as Integer = 9) as MemoryBlock
  • method CompressHC(InputData as string, compressionLevel as Integer = 9) as string
  • method Decompress(CompressedData as MemoryBlock, UncompressedSize as Integer = 0) as MemoryBlock
  • method Decompress(CompressedData as Ptr, Size as Integer, UncompressedSize as Integer = 0) as MemoryBlock
  • method Decompress(CompressedData as string, UncompressedSize as Integer = 0) as string
  • method LibVersion as string
  • const AccelerationDefault = 1
  • const MaxInputSize = &h7E000000

Compression Levels

Constant Value Description
CompressionLevelDefault 9 Default compression level.
CompressionLevelMax 12 Maximum compression.
CompressionLevelMin 3 Minimum compression.
CompressionLevelOptMin 10

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The items on this page are in the following plugins: MBS Compression Plugin.

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